diff options
Diffstat (limited to 'linuxthreads/sysdeps/i386/useldt.h')
| -rw-r--r-- | linuxthreads/sysdeps/i386/useldt.h | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/linuxthreads/sysdeps/i386/useldt.h b/linuxthreads/sysdeps/i386/useldt.h index c0285330e9..ff42853668 100644 --- a/linuxthreads/sysdeps/i386/useldt.h +++ b/linuxthreads/sysdeps/i386/useldt.h @@ -72,7 +72,7 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t); 1, 0, 0, 0, 0, 1, 0 }; \ if (__modify_ldt (1, &ldt_entry, sizeof (ldt_entry)) != 0) \ abort (); \ - asm ("movw %w0, %%gs" : : "q" (nr * 8 + 7)); \ + asm ("movl %0, %%gs" : : "q" (nr * 8 + 7)); \ }) /* When using the new set_thread_area call, we don't need to change %gs @@ -83,11 +83,15 @@ extern int __modify_ldt (int, struct modify_ldt_ldt_s *, size_t); ({ \ int __gs; \ struct modify_ldt_ldt_s ldt_entry = \ - { ({ asm ("movw %%gs, %w0" : "=q" (__gs)); __gs >> 3; }), \ + { ({ asm ("movl %%gs, %0" : "=q" (__gs)); __gs >> 3; }), \ (unsigned long int) descr, sizeof (struct _pthread_descr_struct), \ 1, 0, 0, 0, 0, 1, 0 }; \ - __builtin_expect (INLINE_SYSCALL (set_thread_area, 1, &ldt_entry) == 0, 1) \ - ? __gs : -1; \ + if (__builtin_expect (INLINE_SYSCALL (set_thread_area, 1, &ldt_entry) == 0, \ + 1)) \ + asm ("movl %0, %%gs" :: "q" (__gs)); \ + else \ + __gs = -1; \ + __gs; \ }) #if defined __ASSUME_SET_THREAD_AREA_SYSCALL && defined HAVE_TLS_SUPPORT @@ -113,7 +117,7 @@ extern int __have_no_set_thread_area; #define FREE_THREAD(descr, nr) \ { \ int __gs; \ - __asm__ __volatile__ ("movw %%gs, %w0" : "=q" (__gs)); \ + __asm__ __volatile__ ("movl %%gs, %0" : "=q" (__gs)); \ if (__builtin_expect (__gs & 4, 0)) \ { \ struct modify_ldt_ldt_s ldt_entry = \ |